$2\sin A{\cos ^3}A - 2{\sin ^3}A\cos A = $

  • A
    $\sin 4A$
  • B
    $\frac{1}{2}\sin 4A$
  • C
    $\frac{1}{4}\sin 4A$
  • D
    આમાંથી કોઈ નહીં

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